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<h1>class <tt>Control(<a href="Component.html">Component</a>)</tt></h1>
Class Control is an abstract base class for controls. It provides a set of
properties that most controls have in common.<br>
<br>
Note that some platforms may not support changing all of these properties.<br>
<br>
You should not derive directly from Control. Custom components should be based on <a href="View.html">View</a> or <a href="Frame.html">Frame</a>.<br>
<h2>Properties</h2>
<blockquote>
  <dl>
    <dt style="font-family: monospace;">value</dt><dd>The value of the control. Its type depends on the kind of control.</dd><dt><tt>enabled</tt></dt>
    <dd>True if the control can be manipulated by the user. Disabled controls
are typically displayed in a different way, and do not respond to user actions.</dd>
    <dd><br>
    </dd>
    <dt><tt>font</tt></dt>
    <dd>Font in which to display the control's title or text, if it has any.</dd>
    <dd><br>
    </dd>
    <dt><tt>color</tt></dt>
    <dd>Color in which to display the control's title or text, if it has
any.</dd>
    <dd><br>
    </dd>
    <dt><tt>just</tt></dt>
    <dd>Justification of the control's title or text, if it has any. One
of '<tt>left</tt>', '<tt>center</tt>' or '<tt>right</tt>'.</dd>
    <dd><br>
    </dd>
    <dt><tt>lines</tt></dt>
    <dd>The height of the control measured in lines of the current font.</dd>
  </dl>
</blockquote>
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